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VWR Hydrofluoric acid 40%, AnalaR NORMAPUR® analytical reagent, 1L
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Specifications:
| Application | Analytical Chemistry | ||
| Storage Temperature | Ambient | ||
| Product Type | Laboratory Chemical | Forms | Liquid |
| Product Brand | VWR | ||
| Product Grade | Analytical grade | Formula | HF |
VWR Hydrofluoric Acid 40%, AnalaR NORMAPUR® is a high-purity, analytical reagent-grade hydrofluoric acid ideal for precision work in analytical chemistry, inorganic synthesis, materials science, and semiconductor processing. With an assay range of 39.0–41.0%, this formulation ensures strict quality compliance, featuring extremely low levels of trace metal contaminants for highly sensitive applications.
The AnalaR NORMAPUR® designation guarantees exceptional purity and reproducibility, meeting the demands of laboratories that require rigorous contaminant control. The product is supplied in a chemically resistant 1 L plastic bottle and is compliant with ADR 8 (corrosive), 6.1 (toxic) transport regulations (UN 1790).
⚠️ Hazard Note: Hydrofluoric acid is toxic and corrosive—capable of deep tissue penetration and systemic toxicity. Strict PPE use and fume hood handling are mandatory.
Specifications Table
| Property | Value |
|---|---|
| Catalog Number | 20307.290 |
| CAS Number | 7664-39-3 |
| Chemical Formula | HF |
| Molecular Weight | 20.01 g/mol |
| Assay (HF content) | 39.0–41.0% |
| Boiling Point | 112 °C (at 1013 hPa) |
| Melting Point | –44 °C |
| Storage Temperature | Ambient |
| Packaging | 1 L Plastic Bottle (DIN 45, UN X) |
| EINECS Number | 231-634-8 |
| UN Number | 1790 |
| ADR Classification | Class 8 (corrosive), Class 6.1 (toxic), II |
Trace Metal Impurity Limits (Selected)
| Element | Max. ppm | Element | Max. ppm |
|---|---|---|---|
| Pb (Lead) | 0.05 | Ag (Silver) | 0.02 |
| Fe (Iron) | 0.2 | Cu (Copper) | 0.02 |
| Zn (Zinc) | 0.05 | Ni (Nickel) | 0.02 |
| Al (Aluminum) | 0.05 | Ca (Calcium) | 0.5 |
| Cr (Chromium) | 0.02 | As (Arsenic) | 0.05 |
| Cl (Chloride) | 5 | SO₄ + SO₃ | 5 |
| SiF₆ (Hexafluorosilicate) | 50 ppm | PO₄ (Phosphate) | 1 ppm |
VWR Hydrofluoric Acid 40%, AnalaR NORMAPUR® stands out as a highly purified and controlled reagent-grade HF, suitable for trace-level analysis, glass etching, wafer cleaning, and sensitive inorganic synthesis. With tight specifications on over 30 elemental impurities, it is an ideal choice for laboratories demanding both performance and safety in highly regulated workflows.